:root {
  color-scheme: dark;
  --bg: #08101d;
  --bg-soft: rgba(8, 16, 29, 0.74);
  --surface: rgba(10, 21, 39, 0.58);
  --surface-2: rgba(11, 26, 48, 0.72);
  --surface-solid: #101d31;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #eef5ff;
  --muted: #b9c7da;
  --muted-2: #8ea0b8;
  --primary: #72e4d1;
  --primary-dark: #24b79b;
  --accent: #9b7cff;
  --warning: #ffca68;
  --success: #69e3a6;
  --danger: #ff849c;
  --shadow: 0 24px 68px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.18);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef5ff;
  --bg-soft: rgba(242, 248, 255, 0.84);
  --surface: rgba(255, 255, 255, 0.60);
  --surface-2: rgba(255, 255, 255, 0.76);
  --surface-solid: #ffffff;
  --line: rgba(15, 23, 42, 0.12);
  --line-strong: rgba(15, 23, 42, 0.2);
  --text: #102033;
  --muted: #4c6177;
  --muted-2: #6b7f95;
  --shadow: 0 26px 60px rgba(88, 118, 164, 0.22);
  --shadow-soft: 0 14px 28px rgba(88, 118, 164, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
code {
  color: var(--primary-dark);
  background: rgba(114, 228, 209, 0.12);
  border: 1px solid rgba(114, 228, 209, 0.18);
  padding: 0.12rem 0.38rem;
  border-radius: 8px;
}

.page-bg,
.page-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}
.page-bg {
  background-image: url("../assets/jogja-night.svg");
  background-size: cover;
  background-position: center center;
  transform: scale(1.03);
  transition: background-image 0.35s ease, filter 0.35s ease;
  filter: saturate(1.05) contrast(1.02);
}
[data-theme="light"] .page-bg {
  background-image: url("../assets/jogja-day.svg");
  filter: saturate(1.04) brightness(1.02);
}
.page-overlay {
  background:
    radial-gradient(circle at 15% 10%, rgba(114, 228, 209, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 14%, rgba(155, 124, 255, 0.16), transparent 24rem),
    linear-gradient(180deg, rgba(8, 16, 29, 0.26), rgba(8, 16, 29, 0.78));
}
[data-theme="light"] .page-overlay {
  background:
    radial-gradient(circle at 15% 10%, rgba(114, 228, 209, 0.12), transparent 28rem),
    radial-gradient(circle at 82% 14%, rgba(155, 124, 255, 0.12), transparent 24rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(238, 245, 255, 0.72));
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding-bottom: 28px;
}
.main-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.site-header,
.hero-glass,
.planner-card,
.side-card,
.empty-state,
.result-panel,
.chat-card,
.logic-details,
.output-card,
.summary-card,
.total-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 30;
  margin: 12px 0 26px;
  padding: 12px 14px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #04131c;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 16px 36px rgba(36, 183, 155, 0.28);
}
.brand-copy strong {
  display: block;
  line-height: 1;
  font-size: 1rem;
}
.brand-copy small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.77rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 58vw;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.icon-button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.icon-button:hover { transform: translateY(-1px); }
.sound-button.playing {
  background: linear-gradient(135deg, rgba(114, 228, 209, 0.25), rgba(155, 124, 255, 0.25));
  border-color: rgba(114, 228, 209, 0.45);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 22px;
  align-items: stretch;
  min-height: 470px;
  padding-top: 8px;
}
.hero-copy,
.hero-side {
  min-width: 0;
}
.hero-copy {
  padding: 26px 4px 18px;
}
.eyebrow {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}
.eyebrow.tiny { font-size: 0.72rem; margin-bottom: 10px; }
.eyebrow.tiny::before { width: 18px; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 {
  font-size: clamp(2.4rem, 5.4vw, 5.25rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  margin-bottom: 18px;
  max-width: 760px;
}
h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin-bottom: 14px;
}
h3 {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  letter-spacing: -0.03em;
}
.hero-desc,
.section-heading p,
.option-item p,
.note-list,
.compact-list,
.empty-state p,
.chat-card p,
.logic-grid article p,
.site-footer p,
.muted {
  color: var(--muted);
  line-height: 1.72;
}
.hero-desc {
  max-width: 640px;
  font-size: 1.05rem;
}
.hero-actions,
.form-actions,
.result-actions,
.header-actions,
.trust-row,
.summary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.primary-link,
.primary-button,
.secondary-link,
.ghost-button,
.chat-form button,
.action-button {
  border-radius: 999px;
  padding: 14px 20px;
  border: 0;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.primary-link,
.primary-button,
.chat-form button {
  color: #05131b;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 18px 40px rgba(36, 183, 155, 0.24);
}
.secondary-link,
.ghost-button,
.action-button {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
}
.primary-link:hover,
.primary-button:hover,
.secondary-link:hover,
.ghost-button:hover,
.chat-form button:hover,
.action-button:hover {
  transform: translateY(-2px);
}
.trust-row span,
.pill,
.badge-live,
.provider-badge {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 8px 12px;
}
.trust-row { margin-top: 24px; }
.trust-row span { color: var(--muted); font-size: 0.91rem; }

.hero-glass {
  min-height: 100%;
  border-radius: var(--radius-xl);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.scenic-card {
  position: relative;
  overflow: hidden;
}
.scenic-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(114, 228, 209, 0.18), transparent 16rem),
    linear-gradient(180deg, rgba(255,255,255,0.04), transparent 45%);
  pointer-events: none;
}
.scenic-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}
.mini-title {
  font-size: 1.45rem;
  margin-bottom: 0;
}
.badge-live {
  color: var(--text);
  font-size: 0.85rem;
  white-space: nowrap;
}
.estimate-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
}
.estimate-card strong {
  display: block;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  letter-spacing: -0.05em;
  margin: 2px 0 6px;
}
.estimate-label,
.estimate-card small,
.feature-mini-grid span {
  color: var(--muted);
}
.feature-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.feature-mini-grid > div {
  padding: 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
}
.feature-mini-grid strong,
.feature-mini-grid span {
  display: block;
}
.feature-mini-grid strong { margin-bottom: 4px; }
.feature-mini-grid span { font-size: 0.9rem; line-height: 1.4; }

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
}
.planner-wrap,
.result-section,
.chat-section {
  min-width: 0;
}
.section-heading {
  margin-bottom: 18px;
}
.planner-card,
.side-card,
.empty-state,
.result-panel,
.chat-card,
.logic-details {
  border-radius: var(--radius-xl);
}
.planner-card {
  padding: 22px;
}
.form-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field,
.fieldset {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field > span,
.fieldset legend {
  font-weight: 700;
  font-size: 0.96rem;
}
.field small,
.fieldset small,
.form-error {
  color: var(--muted-2);
}
.field input,
.field textarea,
.field select,
.hidden-input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border-radius: 16px;
  padding: 13px 14px;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
[data-theme="light"] .field input,
[data-theme="light"] .field textarea,
[data-theme="light"] .field select,
[data-theme="light"] .hidden-input {
  background: rgba(255,255,255,0.75);
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus,
.field textarea:focus,
.field select:focus,
.hidden-input:focus {
  border-color: rgba(114, 228, 209, 0.68);
  box-shadow: 0 0 0 4px rgba(114, 228, 209, 0.14);
}
.fieldset {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
}
.budget-options,
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.budget-options label,
.check-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
}
.hidden-input {
  display: none;
  margin-top: 12px;
}
.hidden-input.show {
  display: block;
}
.form-error {
  margin: 4px 0 0;
  min-height: 1.1rem;
  color: var(--danger);
}

.sidebar-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 96px;
}
.side-card {
  padding: 18px 18px 16px;
}
.compact-card h3 {
  margin-bottom: 12px;
}
.compact-list {
  margin: 0;
  padding-left: 18px;
}
.compact-list li + li { margin-top: 10px; }

.result-section,
.chat-section { padding-top: 4px; }
.empty-state {
  padding: 42px 22px;
  text-align: center;
}
.empty-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 14px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, rgba(114, 228, 209, 0.2), rgba(155, 124, 255, 0.2));
  border: 1px solid var(--line);
}
.hidden { display: none !important; }
.result-panel {
  padding: 22px;
}
.result-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(250px, 0.85fr);
  gap: 16px;
  margin-bottom: 18px;
}
.summary-card,
.total-card,
.output-card {
  border-radius: 24px;
  padding: 18px;
}
.summary-card p:last-child,
.total-card p:last-child { margin-bottom: 0; }
.total-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.total-amount {
  display: block;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
  margin-bottom: 12px;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.output-card.full { grid-column: 1 / -1; }
.cost-list,
.option-list,
.note-list,
.itinerary-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.cost-item,
.option-item,
.itinerary-item {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  border-radius: 18px;
  padding: 14px 14px;
}
.cost-item + .cost-item,
.option-item + .option-item,
.note-list li + li,
.itinerary-item + .itinerary-item {
  margin-top: 10px;
}
.cost-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.cost-item span { color: var(--muted); }
.cost-item strong { text-align: right; }
.option-item header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
}
.option-item h4 {
  margin-bottom: 6px;
  font-size: 1rem;
}
.provider-badge {
  display: inline-block;
  font-size: 0.78rem;
  padding: 6px 10px;
  color: var(--muted);
}
.itinerary-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.itinerary-day {
  display: inline-grid;
  place-items: center;
  min-height: 72px;
  border-radius: 18px;
  font-size: 0.92rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(114, 228, 209, 0.18), rgba(155, 124, 255, 0.18));
  border: 1px solid var(--line);
}
.note-list li {
  position: relative;
  padding-left: 16px;
}
.note-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
}
.result-actions { margin-top: 18px; }

.chat-card {
  padding: 18px;
}
.chat-log {
  min-height: 110px;
  max-height: 340px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
  margin-bottom: 14px;
}
.message {
  max-width: min(92%, 760px);
  padding: 13px 15px;
  border-radius: 18px;
  border: 1px solid var(--line);
  line-height: 1.6;
}
.message.ai {
  align-self: flex-start;
  background: rgba(255,255,255,0.07);
}
.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(114, 228, 209, 0.18), rgba(155, 124, 255, 0.14));
}
.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.chat-form input {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}
.chat-form input:focus {
  border-color: rgba(114, 228, 209, 0.68);
  box-shadow: 0 0 0 4px rgba(114, 228, 209, 0.14);
}

.logic-details {
  overflow: hidden;
}
.logic-details summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
}
.logic-details summary::-webkit-details-marker { display: none; }
.logic-details summary span {
  display: block;
}
.logic-details summary small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}
.summary-indicator {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--primary);
  transition: transform 0.2s ease;
}
.logic-details[open] .summary-indicator { transform: rotate(45deg); }
.logic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0 18px 18px;
}
.logic-grid article {
  border-radius: 22px;
  padding: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.logic-grid article span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 12px;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(114, 228, 209, 0.24), rgba(155, 124, 255, 0.24));
}

.site-footer {
  padding: 18px 4px 4px;
  text-align: center;
}
.site-footer p { margin-bottom: 0; }

.toast-wrap {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  min-width: 210px;
  max-width: min(88vw, 340px);
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(10, 21, 39, 0.86);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}
[data-theme="light"] .toast {
  background: rgba(255,255,255,0.86);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: revealUp 0.55s ease forwards;
}
.delay-1 { animation-delay: 0.08s; }

@keyframes revealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero-panel,
  .workspace-grid,
  .result-hero,
  .logic-grid {
    grid-template-columns: 1fr;
  }
  .sidebar-stack {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .feature-mini-grid,
  .result-grid,
  .logic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    border-radius: 24px;
    align-items: flex-start;
  }
  .brand-copy small { max-width: 100%; white-space: normal; }
  .form-grid.two,
  .form-grid.three,
  .form-grid.four,
  .result-grid,
  .feature-mini-grid,
  .sidebar-stack,
  .logic-grid,
  .budget-options,
  .check-grid {
    grid-template-columns: 1fr;
  }
  .chat-form {
    grid-template-columns: 1fr;
  }
  .itinerary-item {
    grid-template-columns: 1fr;
  }
  .itinerary-day {
    width: 78px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 16px, 1180px);
  }
  .site-header {
    position: sticky;
    top: 8px;
    padding: 12px;
    gap: 10px;
  }
  .hero-copy {
    padding-top: 8px;
  }
  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 0.98;
  }
  h2 {
    font-size: clamp(1.55rem, 7vw, 2.2rem);
  }
  .planner-card,
  .result-panel,
  .chat-card,
  .side-card,
  .hero-glass {
    padding: 16px;
  }
  .option-item header,
  .cost-item,
  .scenic-card-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions,
  .form-actions,
  .result-actions { width: 100%; }
  .primary-link,
  .primary-button,
  .secondary-link,
  .ghost-button,
  .action-button,
  .chat-form button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .toast-wrap {
    left: 8px;
    right: 8px;
    bottom: 8px;
  }
  .toast {
    max-width: none;
    width: 100%;
  }
}

@media print {
  .page-bg,
  .page-overlay,
  .site-header,
  .hero-panel,
  .planner-wrap,
  .sidebar-stack,
  .chat-section,
  .logic-details,
  .site-footer,
  .result-actions,
  .toast-wrap {
    display: none !important;
  }
  body {
    background: #ffffff;
    color: #111827;
  }
  .app-shell {
    width: 100%;
  }
  .result-panel,
  .summary-card,
  .total-card,
  .output-card {
    box-shadow: none;
    border: 1px solid #d4dbe5;
    background: #ffffff;
    color: #111827;
  }
  .result-panel {
    padding: 0;
  }
}